NSN 4820-01-227-0865 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-227-0865. Manufacturer of record part number: D3791 ITEM 31 3/4IN.
Manufacturer of record: Naval Sea Systems Command Logistics Support Engineering Activity
Identification
NSN: 4820-01-227-0865
NIIN: 012270865
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D3791 ITEM 31 3/4IN
Manufacturer: Naval Sea Systems Command Logistics Support Engineering Activity
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-227-0865, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command Logistics Support Engineering Activity. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-227-0865
Primary Part Number
D3791 ITEM 31 3/4IN
Item Name
Valve,flow Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command Logistics Support Engineering Activity
Naval Sea Systems Command Logistics Support Engineering Activity (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-227-0865?
NSN 4820-01-227-0865 is a Valve,flow Control, manufactured by Naval Sea Systems Command Logistics Support Engineering Activity, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-227-0865?
NSN 4820-01-227-0865 has 1 manufacturer part number on file: D3791 ITEM 31 3/4IN (Naval Sea Systems Command Logistics Support Engineering Activity).
What are the specifications of D3791 ITEM 31 3/4IN?
Key specifications for D3791 ITEM 31 3/4IN: Special Features: CARTRIDGE TYPE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-227-0865 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.